By Irene Klotz CAPE CANAVERAL, Florida (Reuters) – A meteorite as large as 4-1/2 feet in diameter smashed into the moon in September, producing the brightest flash of light ever seen from Earth, astronomers said this week. Similarly sized...

A comet exploded over modern-day Egypt 28 million years ago, raining down fire and leaving behind a “mysterious” black pebble — the first-ever comet material found on Earth, scientists said Tuesday as they announced the...

WASHINGTON — Solar radiation from a massive sun storm — the largest in nearly a decade — collided with the Earth’s atmosphere, prompting an airline to reroute flights and skywatchers to seek out spectacular light displays. US...